From patchwork Thu May 24 19:46:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Nyekjaer X-Patchwork-Id: 10425381 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7134260327 for ; Thu, 24 May 2018 19:47:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E9A729570 for ; Thu, 24 May 2018 19:47:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5F215295F0; Thu, 24 May 2018 19:47:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 486E529570 for ; Thu, 24 May 2018 19:47:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S971163AbeEXTrK (ORCPT ); Thu, 24 May 2018 15:47:10 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:50982 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S971162AbeEXTrI (ORCPT ); Thu, 24 May 2018 15:47:08 -0400 Received: by mail-wm0-f65.google.com with SMTP id t11-v6so8328921wmt.0 for ; Thu, 24 May 2018 12:47:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nyekjaer-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=/943dt571pwqMEMNIimONRx362H5U/D4qGmis1SrlsY=; b=Eklkm3abQsiyfnXFoqn1X1Fb3kYE+sLlSKQ9cBAqOz1c1qoBOpmSM1L8Rxjaxm5oLe UapxVLbUkA6m9nnE2O+/J8I6RPvn66tkz/w8/EuGxigosya+hS9RhpouFOzUyRN2r8ja LgUrkL4hLLn7nLJ5Af9G+L8iwVfoIyz+ndLNgyWixzcujAEAW9Rcda9Dljd7W+/AeKpt rwUpxRnEchDbmivBtlpA7Ckw+MbCmJhC+4cGAo6Ncahnsk9PirCtwynlexETcTNIo7h2 8//yaL4sAoDgYYOSc1lzbrQmF4et/PJ+zRFAI9qqcwobsTb5Oj/SX2v8UWLZY9mkB6Pp 1plg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=/943dt571pwqMEMNIimONRx362H5U/D4qGmis1SrlsY=; b=AcuuJ4L2gywAJyXTzH32xxfBfU+sAxWyYHbOg84KiIbflcpBzA6EQPBqXi6RZ3Bl0j Ksl6DqUdAwWpjgbVgGJVTx2BYPZUeQiGBnj9VGtzpMUa/rNBm5Rb5+TqcUfBXu2NsSUx gviYoyCA+skOAv3zX3n5SNyRxpShrpNJbFGRveHiwBIaOwsbZfAfTftbSs3eIu2BdFr6 AgRyubIugP6113e9Ciwuv3Lp37nwfl4tYqBf2phP6CPxnjswA2BV1e+AYloRfqAoYiWU CyWQRIfC3Nh21vSN6QZ+tvyvbjNdcGQYO/4PlqLqUF0AzaLMSCXcbB2M3xgSrRuRO+P3 ThRQ== X-Gm-Message-State: ALKqPwdlFWvw3WxboCG1fzsNgRsz8KKkYMCoHuNG9Ji40kRQr3tKwIxr jL2WUyFgqpDNNQgbWzNkZO9fxg== X-Google-Smtp-Source: AB8JxZpfRaygKosAEs/EzNOpR+QMJIGlHFHeqLrKeEK2rds4q1H4kkitCai3/Tdar2JJ61P78fgoDg== X-Received: by 2002:a50:a390:: with SMTP id s16-v6mr13942923edb.271.1527191226992; Thu, 24 May 2018 12:47:06 -0700 (PDT) Received: from localhost.localdomain ([95.138.208.137]) by smtp.gmail.com with ESMTPSA id b4-v6sm11750898edr.29.2018.05.24.12.47.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 May 2018 12:47:06 -0700 (PDT) From: Sean Nyekjaer X-Google-Original-From: Sean Nyekjaer To: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, s.hauer@pengutronix.de, shawnguo@kernel.org, mark.rutland@arm.com Cc: Sean Nyekjaer , linux-spi@vger.kernel.org, fabio.estevam@nxp.com, broonie@kernel.org, anton.bondarenko.sama@gmail.com, stable@vger.kernel.org Subject: [RESEND PATCH] ARM: dts: imx6q: Use correct SDMA script for SPI5 core Date: Thu, 24 May 2018 21:46:59 +0200 Message-Id: <20180524194659.2546-1-sean.nyekjaer@prevas.dk> X-Mailer: git-send-email 2.17.0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP According to the reference manual the shp_2_mcu / mcu_2_shp scripts must be used for devices connected through the SPBA. This fixes an issue we saw with DMA transfers. Sometimes the SPI controller RX FIFO was not empty after a DMA transfer and the driver got stuck in the next PIO transfer when it read one word more than expected. commit dd4b487b32a35 ("ARM: dts: imx6: Use correct SDMA script for SPI cores") is fixing the same issue but only for SPI1 - 4. Fixes: 677940258dd8e ("ARM: dts: imx6q: enable dma for ecspi5") Signed-off-by: Sean Nyekjaer Reviewed-by: Fabio Estevam --- arch/arm/boot/dts/imx6q.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index ae7b3f107893..5185300cc11f 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -96,7 +96,7 @@ clocks = <&clks IMX6Q_CLK_ECSPI5>, <&clks IMX6Q_CLK_ECSPI5>; clock-names = "ipg", "per"; - dmas = <&sdma 11 7 1>, <&sdma 12 7 2>; + dmas = <&sdma 11 8 1>, <&sdma 12 8 2>; dma-names = "rx", "tx"; status = "disabled"; };